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at altitudes of 700–860 m (2,300–2,820 ft). The majority of the population can be found on the south and east facing slopes, with a few isolated plants growing on the south-west slopes or amongst a
401:
thicket near the summit. The total extent of this species is estimated to be approximately 12 ha (30 acres), with the area of occupancy estimated to be less than 4.5 ha (11 acres).
496:. The entire wild population is estimated to consist of 600–800 mature plants, and the small size of the area occupied by this species makes it especially susceptible to these threats.
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under criteria B1ab(iii) and B2ab(iii), based on its restricted area of occupancy and the decline of its habitat. Its primary threats include
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562:, and the species is protected under a local wildlife protection ordinance that prohibits the taking or damaging of scheduled species.
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Murdock, Andrew G. (2008). "A taxonomic revision of the eusporangiate fern family
Marattiaceae, with description of a new genus
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of Green
Mountain is severely degraded, and the exact composition of the plant community originally inhabited by
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species threaten to crowd out young ferns. Young ferns are also grazed on by invasive rabbits.
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are large, measuring up to 1 m (3 ft 3 in) long, with purplish
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is not known. Currently, the native species most strongly associated with
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Niissalo, M.; Stroud, S.; Gray, A.; Lambdon, P.W.; Renshaw, O. (2012).
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in 2008 alongside several other species previously placed in the genus
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886:
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507:, with the remaining areas of intact habitat becoming increasingly
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is the largest endemic plant species on
Ascension Island. It has a
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420:
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511:. Lower areas of this habitat have been partially smothered by
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is known only from a single population on the upper slopes of
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on Green
Mountain has largely been replaced by man-made
756:. Ascension Island Government Conservation Department.
363:. Genetic and morphological similarities indicate that
349:. It was transferred into the newly described genus
1111:
474:International Union for Conservation of Nature
628:10.2305/IUCN.UK.2012-1.RLTS.T43922A2990240.en
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1120:IUCN Red List critically endangered species
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384:Endemic to central Ascension Island in the
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472:is listed as critically endangered by the
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1150:Taxa named by Willem Hendrik de Vriese
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673:from the original on 30 November 2022
745:Ascension Island Government (2015).
554:is located within the boundaries of
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614:IUCN Red List of Threatened Species
587:
343:, placing it in the existing genus
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1071:urn:lsid:ipni.org:names:17144000-1
978:urn:lsid:ipni.org:names:77091901-1
14:
1161:
763:from the original on 26 June 2022
376:, and may even be a part of it.
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1:
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423:-like fleshy outgrowths. The
321:critically endangered species
1135:Critically endangered plants
556:Green Mountain National Park
523:, while other weeds such as
7:
47:Jardin des plantes de Paris
10:
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667:Royal Botanic Gardens, Kew
662:Plants of the World Online
568:Royal Botanic Gardens, Kew
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1130:Flora of Ascension Island
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791:
550:The entire population of
514:Buddleja madagascariensis
443:The native high-altitude
367:is closely linked to the
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217:
195:
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87:Scientific classification
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63:
54:
39:
30:
23:
1145:Plants described in 1853
380:Distribution and habitat
337:Willem Hendrik de Vriese
499:The natural habitat of
331:This species was first
532:Paspalum scrobiculatum
45:
1140:Ferns of the Americas
1016:Marattia purpurascens
566:is cultivated by the
520:Clerodendrum chinense
341:Marattia purpurascens
319:. It is considered a
72:Critically Endangered
822:ptisana-purpurascens
793:Ptisana purpurascens
751:species action plan"
749:Ptisana purpurascens
657:(de Vriese) Murdock"
655:Ptisana purpurascens
621:: e.T43922A2990240.
607:Ptisana purpurascens
386:South Atlantic Ocean
327:Taxonomy and history
300:Ptisana purpurascens
249:Marattia ascensionis
239:Marattia ascensionis
199:Ptisana purpurascens
181:P. purpurascens
43:photographed at the
25:Ptisana purpurascens
570:for the purpose of
465:Conservation status
458:Histiopteris incisa
57:Conservation status
715:10.1002/tax.573007
335:by Dutch botanist
333:formally described
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947:Open Tree of Life
785:Taxon identifiers
357:Andrew G. Murdock
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279:Marattia fraxinea
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482:invasive species
431:and dark green,
370:Ptisana fraxinia
317:Ascension Island
303:is a species of
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261:Marattia elegans
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564:P. purpurascens
552:P. purpurascens
526:Miconia crenata
501:P. purpurascens
470:P. purpurascens
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453:P. purpurascens
449:P. purpurascens
445:plant community
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410:P. purpurascens
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390:P. purpurascens
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374:species complex
365:P. purpurascens
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41:P. purpurascens
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16:Species of fern
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1097:wfo-0001032939
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709:(3): 747–748.
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560:protected area
490:severe weather
486:climate change
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394:Green Mountain
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307:in the family
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137:Polypodiopsida
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538:Piper aduncum
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190:Binomial name
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117:Tracheophytes
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765:. Retrieved
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675:. Retrieved
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632:. Retrieved
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575:conservation
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309:Marattiaceae
299:
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286:(de Vriese)
283:purpurascens
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231:purpurascens
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157:Marattiaceae
110:
40:
24:
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1125:Marattiidae
869:iNaturalist
405:Description
339:in 1853 as
147:Marattiales
1114:Categories
1058:17144000-1
960:Plant List
887:77091901-1
581:References
509:fragmented
494:landslides
123:Division:
1084:100000169
1031:Q38235464
991:100000170
433:bipinnate
234:de Vriese
207:de Vriese
175:Species:
100:Kingdom:
1079:Tropicos
1025:Wikidata
986:Tropicos
808:Q5489698
802:Wikidata
758:Archived
671:Archived
435:leaves.
429:petioles
414:globular
361:Marattia
346:Marattia
311:that is
273:T. Moore
269:Houlston
253:cristata
229:Marattia
219:Synonyms
153:Family:
77:IUCN 3.1
1045:3919792
861:3920102
848:3014216
697:Ptisana
573:ex situ
439:Ecology
421:stipule
417:rhizome
352:Ptisana
313:endemic
211:Murdock
168:Ptisana
163:Genus:
143:Order:
133:Class:
104:Plantae
75: (
952:934205
939:519570
913:897986
900:120377
874:445496
817:ARKive
767:22 May
677:22 May
634:22 May
541:, and
492:, and
425:fronds
399:bamboo
271:&
265:erecta
926:43922
835:4Q8W6
761:(PDF)
754:(PDF)
702:Taxon
544:Rubus
419:with
288:Baker
281:var.
263:var.
256:J.Sm.
251:var.
243:J.Sm.
111:Clade
1066:POWO
1053:IPNI
1040:GBIF
973:POWO
934:NCBI
921:IUCN
908:ITIS
882:IPNI
856:GBIF
769:2024
679:2024
636:2024
619:2012
558:, a
517:and
305:fern
1092:WFO
999:WFO
895:ISC
843:EoL
830:CoL
711:doi
699:".
623:doi
455:is
355:by
315:to
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723:^
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771:.
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638:.
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205:(
79:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
